label {
float: left;
clear: left;
font-weight:bold;
}

input, textarea {
float: left;
clear: left;
font-size: 120%;
padding: 0.3em;
border-color: #cccccc;
}

input.not_valid,
textarea.not_valid{
border: 2px solid red;
}

input.not_valid::after{
}

#errori{
margin: 1em;
border: 2px solid red;
background: #FFCCCC;
color: #580000;
}